diff --git a/common/lib/xmodule/xmodule/css/capa/display.scss b/common/lib/xmodule/xmodule/css/capa/display.scss
index 77bfd5c1fe..ca742cff7a 100644
--- a/common/lib/xmodule/xmodule/css/capa/display.scss
+++ b/common/lib/xmodule/xmodule/css/capa/display.scss
@@ -814,7 +814,7 @@ div.problem {
     }
   }
 
-  .inputtype.formulaequationinput {
+  .capa_inputtype.textline.text-input-dynamath, .inputtype.formulaequationinput {
     display: inline-block;
 
     input {